Home / 53,292.23-79,891.30-21,728.69

Finding the Fourth Proportional to 53,292.23, 79,891.30 and 21,728.69

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Solution

The fourth proportional to 53,292.23, 79,891.30 and 21,728.69 is: 32,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,292.23 : 79,891.30 = 21,728.69 : x
  2. Step 2: Convert to fraction form
    53,292.23/79,891.30 = 21,728.69/x
  3. Step 3: Cross multiply
    53,292.23x = 79,891.30 × 21,728.69
  4. Step 4: Simplify right side
    53,292.23x = 1,735,932,783.30
  5. Step 5: Solve for x
    x = 1,735,932,783.30/53,292.23
  6. Step 6: Final answer
    x = 32,573.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.